Reply to "The perceived efficacy of hydroxychloroquine in observational studies: the results of the confounding effects of 'goals of care'"., Dauby, Nicolas, Hautekiet Joris, Catteau Lucy, Montourcy Marion, Van Beckhoven Dominique, Bottieau Emmanuel, and Goetghebeur Els , Int J Antimicrob Agents, 2021 04, Volume 57, Issue 4, (2021)